Determine whether the use of SMS (or mail or other new media) to keep in touch with adolescent suicide attempters in addition to the usual care, compare to usual care, will improve the evolution of their social network during 6 months Determine whether the use of SMS (or mail or other new media) to keep in touch with adolescent suicide attempters in addition to the usual care, compare to usual care, will improve the evolution of depression during 6 months Determine whether the use of SMS (or mail or other new media) to keep in touch with adolescent suicide attempters in addition to the usual care, compare to usual care, will improve the evolution of health-related quality of life during 6 months Determine the delay of recurrence of suicide attempt during 6 months after the end of the intervention by sending SMS (or mail or other new media) to evaluate if the intervention has an effect on the recurrence after stopped Determine the delay of death by suicide during 6 months after the end of the intervention by sending SMS (or mail or other new media) to evaluate if the intervention has an effect on the suicide after stopped Compare number of callphone spent in the unit of care between adolescents of the group Media and those of the group Classic